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Finding the Fourth Proportional to 196,798.60, 271,559.64 and 110,740.96

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Solution

The fourth proportional to 196,798.60, 271,559.64 and 110,740.96 is: 152,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,798.60 : 271,559.64 = 110,740.96 : x
  2. Step 2: Convert to fraction form
    196,798.60/271,559.64 = 110,740.96/x
  3. Step 3: Cross multiply
    196,798.60x = 271,559.64 × 110,740.96
  4. Step 4: Simplify right side
    196,798.60x = 30,072,775,230.85
  5. Step 5: Solve for x
    x = 30,072,775,230.85/196,798.60
  6. Step 6: Final answer
    x = 152,809.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.